Cables Unlimited USB-1800 4 Port Mini USB 2.0 Hub Bus Powered (30 Inch, Green) Compatible with USB Specification REV2.0 Works with Window 98se/2000/XP/Vista/7 40 Times Faster Than The Original USB Supports High Speed Data Transfer Rates of up to 480 Mbps Window 98se/2000/XP/Vista MAC 10+